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      <a href="/2016/09/16/angular-note-14-use-bmap/" title="Angular使用笔记14-在Angular中使用百度地图" itemprop="url">Angular使用笔记14-在Angular中使用百度地图</a>
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    <time datetime="2016-09-16T13:09:52.000Z" itemprop="datePublished">2016-09-16</time>
    更新日期:<time datetime="2018-12-18T15:28:34.169Z" itemprop="dateModified">2018-12-18</time>
    
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			<strong class="toc-title">文章目录</strong>
		<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#百度地图Javascript-API"><span class="toc-number">1.</span> <span class="toc-text">百度地图Javascript API</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#简单介绍"><span class="toc-number">1.1.</span> <span class="toc-text">简单介绍</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#百度地图的使用"><span class="toc-number">1.2.</span> <span class="toc-text">百度地图的使用</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#在Angular中使用百度地图"><span class="toc-number">2.</span> <span class="toc-text">在Angular中使用百度地图</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#基本步骤"><span class="toc-number">2.1.</span> <span class="toc-text">基本步骤</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加地图模块"><span class="toc-number">2.2.</span> <span class="toc-text">添加地图模块</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加地图服务指令"><span class="toc-number">2.3.</span> <span class="toc-text">添加地图服务指令</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#最终效果"><span class="toc-number">2.4.</span> <span class="toc-text">最终效果</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">3.</span> <span class="toc-text">结束语</span></a></li></ol>
		</div>
		
		<p>最近的一个项目使用AngularJS(v1.2.6)作为前端的框架，《Angular使用笔记》系列用于记录过程中的一些使用和解决方法。<br>本文记录在Angular中使用百度地图（封装成指令）的过程。<br><a id="more"></a></p>
<h2 id="百度地图Javascript-API"><a href="#百度地图Javascript-API" class="headerlink" title="百度地图Javascript API"></a>百度地图Javascript API</h2><hr>
<h3 id="简单介绍"><a href="#简单介绍" class="headerlink" title="简单介绍"></a>简单介绍</h3><p>百度地图JavaScript API是一套由JavaScript语言编写的应用程序接口，可帮助您在网站中构建功能丰富、交互性强的地图应用，支持PC端和移动端基于浏览器的地图应用开发，且支持HTML5特性的地图开发。</p>
<p>开发者文档见：<a href="http://lbsyun.baidu.com/index.php?title=jspopular" target="_blank" rel="external">JavaScript API v2.0</a></p>
<h3 id="百度地图的使用"><a href="#百度地图的使用" class="headerlink" title="百度地图的使用"></a>百度地图的使用</h3><ul>
<li><p>申请密钥<br>该套API免费对外开放。自v1.5版本起，需先申请密钥（ak）才可使用，接口（除发送短信功能外）无使用次数限制</p>
</li>
<li><p>引入api文件</p>
</li>
</ul>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line"><span class="tag">&lt;<span class="name">script</span> <span class="attr">type</span>=<span class="string">"text/javascript"</span> <span class="attr">src</span>=<span class="string">"http://api.map.baidu.com/api?v=2.0&amp;ak=您的密钥"</span>&gt;</span><span class="undefined"></span><span class="tag">&lt;/<span class="name">script</span>&gt;</span></div></pre></td></tr></table></figure>
<ul>
<li>创建地图实例</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div></pre></td><td class="code"><pre><div class="line"><span class="comment">// 位于BMap命名空间下的Map类表示地图，通过new操作符可以创建一个地图实例。其参数可以是元素id也可以是元素对象。</span></div><div class="line"><span class="keyword">var</span> map = <span class="keyword">new</span> BMap.Map(<span class="string">"container"</span>);</div></pre></td></tr></table></figure>
<h2 id="在Angular中使用百度地图"><a href="#在Angular中使用百度地图" class="headerlink" title="在Angular中使用百度地图"></a>在Angular中使用百度地图</h2><hr>
<p>这里我们将简单使用指令创建一个地图服务，具体包括以下功能：</p>
<ul>
<li>可输入关键字搜索地图位置</li>
<li>可通过点击地图获取该位置的经纬度并反馈</li>
<li>可通过手动设置经纬度获取地图位置</li>
</ul>
<h3 id="基本步骤"><a href="#基本步骤" class="headerlink" title="基本步骤"></a>基本步骤</h3><ul>
<li>申请密钥&amp;引入api文件<br>请查看上文”百度地图的使用”</li>
<li>通过指令创建地图实例<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div></pre></td><td class="code"><pre><div class="line">.directive(<span class="string">'setLocation'</span>, <span class="function"><span class="keyword">function</span>(<span class="params"></span>) </span>&#123;</div><div class="line">    <span class="keyword">return</span> &#123;</div><div class="line">        <span class="attr">restrict</span>: <span class="string">'AE'</span>,</div><div class="line">        <span class="attr">replace</span>: <span class="literal">true</span>,</div><div class="line">        <span class="attr">template</span>: <span class="string">`&lt;div class="l-map"&gt;&lt;/div&gt;`</span>,</div><div class="line">        <span class="attr">link</span>: <span class="function"><span class="keyword">function</span>(<span class="params">scope, element, attrs</span>) </span>&#123;</div><div class="line">            <span class="keyword">var</span> map = <span class="keyword">new</span> BMap.Map(element[<span class="number">0</span>]); <span class="comment">// 创建Map实例   </span></div><div class="line">        &#125;</div><div class="line">    &#125;;</div><div class="line">&#125;)</div></pre></td></tr></table></figure>
</li>
</ul>
<h3 id="添加地图模块"><a href="#添加地图模块" class="headerlink" title="添加地图模块"></a>添加地图模块</h3><p>这里我们增加一个地图模块，用于展示百度地图相关服务。</p>
<ul>
<li>添加bmap.html模板</li>
</ul>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div></pre></td><td class="code"><pre><div class="line"><span class="comment">&lt;!--添加头部菜单模块--&gt;</span></div><div class="line"><span class="tag">&lt;<span class="name">header</span> <span class="attr">app-header</span>&gt;</span><span class="tag">&lt;/<span class="name">header</span>&gt;</span></div><div class="line"><span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"container bmap"</span>&gt;</span></div><div class="line">  <span class="tag">&lt;<span class="name">h2</span>&gt;</span>百度地图的使用<span class="tag">&lt;/<span class="name">h2</span>&gt;</span></div><div class="line">  <span class="tag">&lt;<span class="name">section</span>&gt;</span></div><div class="line">    <span class="tag">&lt;<span class="name">h3</span>&gt;</span>位置设置<span class="tag">&lt;/<span class="name">h3</span>&gt;</span></div><div class="line">    <span class="tag">&lt;<span class="name">p</span>&gt;</span>输入搜索位置，或点击地图获取位置，或手动输入经纬度<span class="tag">&lt;/<span class="name">p</span>&gt;</span></div><div class="line">    <span class="tag">&lt;<span class="name">article</span>&gt;</span></div><div class="line">      <span class="tag">&lt;<span class="name">header</span>&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">input</span> <span class="attr">type</span>=<span class="string">"text"</span> <span class="attr">class</span>=<span class="string">"form-control"</span> <span class="attr">ng-model</span>=<span class="string">"search"</span> <span class="attr">placeholder</span>=<span class="string">"输入关键词搜索位置"</span> /&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">a</span> <span class="attr">class</span>=<span class="string">"btn btn-primary"</span> <span class="attr">ng-click</span>=<span class="string">"location.searchText = search;"</span>&gt;</span>搜索<span class="tag">&lt;/<span class="name">a</span>&gt;</span></div><div class="line">      <span class="tag">&lt;/<span class="name">header</span>&gt;</span></div><div class="line">      <span class="comment">&lt;!--插入地图服务指令set-location--&gt;</span></div><div class="line">      <span class="tag">&lt;<span class="name">div</span> <span class="attr">set-location</span> <span class="attr">search-text</span>=<span class="string">"&#123;&#123; location.searchText &#125;&#125;"</span> <span class="attr">location</span>=<span class="string">"location"</span> <span class="attr">location-str</span>=<span class="string">"&#123;&#123; location.locationStr &#125;&#125;"</span>&gt;</span><span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line">      <span class="tag">&lt;<span class="name">div</span>&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">p</span>&gt;</span>经度<span class="tag">&lt;<span class="name">input</span> <span class="attr">type</span>=<span class="string">"number"</span> <span class="attr">class</span>=<span class="string">"form-control"</span> <span class="attr">ng-model</span>=<span class="string">"location.longitude"</span> /&gt;</span><span class="tag">&lt;/<span class="name">p</span>&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">p</span>&gt;</span>维度<span class="tag">&lt;<span class="name">input</span> <span class="attr">type</span>=<span class="string">"number"</span> <span class="attr">class</span>=<span class="string">"form-control"</span> <span class="attr">ng-model</span>=<span class="string">"location.latitude"</span> /&gt;</span><span class="tag">&lt;/<span class="name">p</span>&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">a</span> <span class="attr">ng-click</span>=<span class="string">"location.locationStr = location.longitude + ' ' + location.latitude;"</span> <span class="attr">class</span>=<span class="string">"btn btn-default"</span>&gt;</span>设置<span class="tag">&lt;/<span class="name">a</span>&gt;</span></div><div class="line">      <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line">    <span class="tag">&lt;/<span class="name">article</span>&gt;</span></div><div class="line">  <span class="tag">&lt;/<span class="name">section</span>&gt;</span></div><div class="line"><span class="tag">&lt;/<span class="name">div</span>&gt;</span></div></pre></td></tr></table></figure>
<ul>
<li>添加bmapCtrl.js控制器</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div></pre></td><td class="code"><pre><div class="line">.controller(<span class="string">'BmapCtrl'</span>, [<span class="string">'$scope'</span>,  <span class="function"><span class="keyword">function</span>(<span class="params">$scope</span>) </span>&#123;</div><div class="line">  $scope.location = &#123;</div><div class="line">            <span class="attr">searchText</span>: <span class="string">''</span>, <span class="comment">// 保存搜索输入</span></div><div class="line">            longitude: <span class="literal">undefined</span>, <span class="comment">// 保存位置经度信息</span></div><div class="line">            latitude: <span class="literal">undefined</span>, <span class="comment">// 保存位置纬度信息</span></div><div class="line">        &#125;;</div><div class="line">&#125;]);</div></pre></td></tr></table></figure>
<ul>
<li>添加bmap路由<br>在app.js文件中：</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div></pre></td><td class="code"><pre><div class="line">.when(<span class="string">'/bmap'</span>, &#123;</div><div class="line">  <span class="attr">templateUrl</span>: <span class="string">'views/bmap.html'</span>, <span class="comment">//bmap的html页面</span></div><div class="line">  controller: <span class="string">'BmapCtrl'</span> <span class="comment">//bmap的控制器</span></div><div class="line">&#125;)</div></pre></td></tr></table></figure>
<h3 id="添加地图服务指令"><a href="#添加地图服务指令" class="headerlink" title="添加地图服务指令"></a>添加地图服务指令</h3><p>用于展示地图服务的相关页面和逻辑准备完毕，从上面的Html中可看到我们将创建的指令setLocation的使用。<br>在directives文件夹中添加mapDir.js文件，用于存放地图相关指令。<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div><div class="line">44</div><div class="line">45</div><div class="line">46</div><div class="line">47</div><div class="line">48</div><div class="line">49</div><div class="line">50</div><div class="line">51</div><div class="line">52</div><div class="line">53</div><div class="line">54</div><div class="line">55</div><div class="line">56</div><div class="line">57</div><div class="line">58</div><div class="line">59</div><div class="line">60</div><div class="line">61</div><div class="line">62</div><div class="line">63</div><div class="line">64</div><div class="line">65</div><div class="line">66</div><div class="line">67</div><div class="line">68</div><div class="line">69</div><div class="line">70</div><div class="line">71</div><div class="line">72</div><div class="line">73</div><div class="line">74</div><div class="line">75</div><div class="line">76</div><div class="line">77</div><div class="line">78</div><div class="line">79</div><div class="line">80</div><div class="line">81</div><div class="line">82</div></pre></td><td class="code"><pre><div class="line">.directive(&apos;setLocation&apos;, function() &#123;</div><div class="line">    return &#123;</div><div class="line">        restrict: &apos;AE&apos;,</div><div class="line">        scope: &#123;</div><div class="line">            &apos;searchText&apos;: &apos;@searchText&apos;, // 用于保存搜索关键词</div><div class="line">            &apos;locationStr&apos;: &apos;@locationStr&apos;, // 用于监视经纬度</div><div class="line">            &apos;location&apos;: &apos;=location&apos; // 用于保存位置信息</div><div class="line">        &#125;,</div><div class="line">        replace: true,</div><div class="line">        template: `&lt;div class=&quot;l-map&quot;&gt;&lt;/div&gt;`,</div><div class="line">        link: function(scope, element, attrs) &#123;</div><div class="line">            // 百度地图API功能</div><div class="line">            var map = new BMap.Map(element[0]); // 创建Map实例</div><div class="line">            var marker; // 用来保存选中的点</div><div class="line">            map.enableScrollWheelZoom();</div><div class="line">            var searchClick = &#123;</div><div class="line">                state: false,</div><div class="line">                lng: null,</div><div class="line">                lat: null</div><div class="line">            &#125;;</div><div class="line">            var myKeys = scope.searchText ? scope.searchText.split(&apos; &apos;) : &apos;&apos;;</div><div class="line">            var local = new BMap.LocalSearch(map, &#123;</div><div class="line">                renderOptions: &#123; map: map, panel: &quot;r-result&quot; &#125;,</div><div class="line">                pageCapacity: 10,</div><div class="line">                onInfoHtmlSet: data =&gt; &#123;</div><div class="line">                    // 选择某个标志物后</div><div class="line">                    searchClick.state = true;</div><div class="line">                    searchClick.lng = data.marker.point.lng;</div><div class="line">                    searchClick.lat = data.marker.point.lat;</div><div class="line">                &#125;</div><div class="line">            &#125;);</div><div class="line">            map.centerAndZoom(new BMap.Point(114.063821, 22.549535), 11);</div><div class="line">            // 监听搜索输入变化</div><div class="line">            var watch = scope.$watch(&apos;searchText&apos;, function(newValue, oldValue, scope) &#123;</div><div class="line">                if (!scope.searchText) &#123;</div><div class="line">                    return;</div><div class="line">                &#125;</div><div class="line">                myKeys = scope.searchText.split(&apos; &apos;);</div><div class="line">                local.search(myKeys);</div><div class="line">            &#125;);</div><div class="line"></div><div class="line">            // 监听经纬度变化</div><div class="line">            var watch = scope.$watch(&apos;locationStr&apos;, function(newValue, oldValue, scope) &#123;</div><div class="line">                if (!scope.locationStr) &#123;</div><div class="line">                    return;</div><div class="line">                &#125;</div><div class="line">                var lat = scope.locationStr.split(&apos; &apos;)[1];</div><div class="line">                var lng = scope.locationStr.split(&apos; &apos;)[0];</div><div class="line">                // 移除点</div><div class="line">                map.removeOverlay(marker);</div><div class="line">                // 创建点</div><div class="line">                var p = new BMap.Point(lng, lat);</div><div class="line">                marker = new BMap.Marker(p);</div><div class="line">                // 添加点</div><div class="line">                map.addOverlay(marker);</div><div class="line">                // 设置中心</div><div class="line">                map.panTo(p);</div><div class="line">            &#125;);</div><div class="line"></div><div class="line">            // 单击地图时返回坐标(longitude, latitude)</div><div class="line">            map.addEventListener(&quot;click&quot;, function(e) &#123;</div><div class="line">                // 移除点</div><div class="line">                map.removeOverlay(marker);</div><div class="line">                // 创建点</div><div class="line">                var p = new BMap.Point(e.point.lng, e.point.lat);</div><div class="line">                if (searchClick.state) &#123;</div><div class="line">                    p = new BMap.Point(searchClick.lng, searchClick.lat);</div><div class="line">                    searchClick.state = false;</div><div class="line">                &#125; else &#123;</div><div class="line">                    marker = new BMap.Marker(p);</div><div class="line">                    // 添加点</div><div class="line">                    map.addOverlay(marker);</div><div class="line">                &#125;</div><div class="line">                // 设置中心</div><div class="line">                map.panTo(p);</div><div class="line">                // 更改经纬度</div><div class="line">                scope.location.longitude = e.point.lng;</div><div class="line">                scope.location.latitude = e.point.lat;</div><div class="line">            &#125;);</div><div class="line">        &#125;,</div><div class="line">    &#125;;</div><div class="line">&#125;);</div></pre></td></tr></table></figure></p>
<h3 id="最终效果"><a href="#最终效果" class="headerlink" title="最终效果"></a>最终效果</h3><p>如图：<br><img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/F7EE.tmp.png" alt="image"></p>
<h2 id="结束语"><a href="#结束语" class="headerlink" title="结束语"></a>结束语</h2><hr>
<p>在实例中本骚年还创建了另外一个地图服务，用于展示路径，感兴趣的小伙伴也可以自行查看相关的代码呀。<br><a href="https://github.com/godbasin/godbasin.github.io/tree/blog-codes/angular-notes/14-use-bmap" target="_blank" rel="external">此处查看项目代码（仅包含app部分）</a><br><a href="http://angular-notes.godbasin.com/14-use-bmap/index.html#/bmap" target="_blank" rel="external">此处查看页面效果</a></p>
  
		
		<p style="margin-top:50px;">
			查看Github有更多内容噢：<a href="https://github.com/godbasin">https://github.com/godbasin</a>
			<br>
			更欢迎来<a href="https://godbasin.github.io/front-end-playground">被删的前端游乐场</a>边撸猫边学前端噢
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	<img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/2code2.jpg" width="200" height="200" style="display:block;margin: 0 auto;" />
	<p style="text-align: center;margin-top: 10px;margin-bottom: 20px;">码生艰难，写文不易，给我家猪囤点猫粮了喵~</p>
	<div class="author-right">
  		<p>作者：被删</p>
  		<p>出处：<a href="https://godbasin.github.io">https://godbasin.github.io</a></p>
  		<p>本文版权归作者所有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。</p>
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  <strong class="toc-title">文章目录</strong>
  <ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#百度地图Javascript-API"><span class="toc-number">1.</span> <span class="toc-text">百度地图Javascript API</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#简单介绍"><span class="toc-number">1.1.</span> <span class="toc-text">简单介绍</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#百度地图的使用"><span class="toc-number">1.2.</span> <span class="toc-text">百度地图的使用</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#在Angular中使用百度地图"><span class="toc-number">2.</span> <span class="toc-text">在Angular中使用百度地图</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#基本步骤"><span class="toc-number">2.1.</span> <span class="toc-text">基本步骤</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加地图模块"><span class="toc-number">2.2.</span> <span class="toc-text">添加地图模块</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#添加地图服务指令"><span class="toc-number">2.3.</span> <span class="toc-text">添加地图服务指令</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#最终效果"><span class="toc-number">2.4.</span> <span class="toc-text">最终效果</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">3.</span> <span class="toc-text">结束语</span></a></li></ol>
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